Polyether-modified heptamethyltrisiloxane Silicone additives

Chemical Name:Polyether-modified heptamethyltrisiloxane/Silicone additives


CAS No.:27306-78-1


Product Categories:Organic Chemistry


Molecular Formula:(C2H4O), nC11H30O3Si3


Formula Weight:338.66


Appearance:Colorless transparent liquid


Packaging Method:25KG/200L Plastic Drum


Type Of Transportation:By Air/By Sea/By Train/By Express


Sample:Available


Polyether-modified heptamethyltrisiloxane Silicone additives

Product Description Of

Polyether-modified heptamethyltrisiloxane Silicone additives

Density: 0.98~1.02 g/cm³

Refractive Index: 1.420~1.435

Cloud Point: Low cloud point, good low temperature fluidity

Surface Tension: Extremely low surface tension

Solubility: Easily soluble in water, alcohol and most polar solvents

Ionic Property: Nonionic surfactant

Hydrolytic Stability: Moderate hydrolysis resistance, unstable under strong acid and strong alkali

Wetting Performance: Excellent spreading, wetting and penetrating ability

Compatibility: Good compatibility with most pesticides, fertilizers and daily chemical raw materials

Odor: Slight faint odor


Chemical Properties Of

Polyether-modified heptamethyltrisiloxane Silicone additives
melting point−14 °C
boiling point200 13mm
density0.923 g/mL at 25 °C (lit.)
refractive indexn20/D 1.455
flash(ing) point>230 °F
proportion1.01
CAS27306-78-1



Safety Information Of

Polyether-modified heptamethyltrisiloxane Silicone additives
dangerous markXi
Hazard Category code36/37/38
Safety Instructions26-36
Dangerous Goods Transportation Number2987
WGK Germany3
TSCATSCA listed


Product Application Of

Polyether-modified heptamethyltrisiloxane Silicone additives
  • High-efficiency agricultural silicone adjuvant, enhance pesticide spreading and absorption effect.
  • Reduce liquid surface tension, realize rapid spreading on crop leaf surfaces.
  • Used as wetting agent, penetrant and spreader in pesticide and herbicide formulations.
  • Applied in fertilizer foliar spraying to improve nutrient absorption efficiency.
  • Used as leveling agent and wetting agent in water-based coatings and inks.
  • Serve as permeable auxiliary in textile printing and dyeing industry.
  • Used in household detergents and industrial cleaning agents to enhance decontamination permeability.
  • Wetting additive for water-based adhesives and water-based sealants.
  • Used in leather finishing agent to improve uniform penetration.
  • Widely used in environmental protection water-based formula systems to optimize construction performance.


Packaging Method Of

Polyether-modified heptamethyltrisiloxane Silicone additives
  • Galvanized-iron-drum
  • Galvanized-iron-drum-2
  • Galvanized-iron-drum-3
  • Galvanized-iron-drum-4

Factory Show

  • Galvanized-iron-drum-4
  • 34
  • 3m-4
  • 2-4